Universal Active-Shutter 3D Glasses Signal Decoding
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Solution Overview
Problem
Current 3D TV rendering devices using alternate-frame sequencing technology have incompatible active-shutter glasses from different manufacturers, limiting user compatibility and convenience due to proprietary signaling schemes, shutter timings, and frame rates.
Innovation Solution
A universal active-shutter 3D viewing device with a microcontroller that decodes multiple manufacturers' wireless shutter synchronization signals, allowing compatibility with various display devices, and includes user-configurable features like remote control functionality and earphones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If proprietary signaling schemes are used for each manufacturer, then device compatibility within a manufacturer is improved, but cross-manufacturer compatibility deteriorates
Solution Approach 1:
The active-shutter glasses are designed with a universal receiver that can identify and process multiple different signal formats from various manufacturers. The microcontroller is programmed with a library of signal format definitions, allowing a single pair of glasses to work with display devices from different manufacturers by automatically detecting and adapting to their specific signaling schemes.
2Adaptability or versatility
If multiple proprietary signal formats are supported, then cross-manufacturer compatibility is improved, but device complexity increases
Solution Approach 1:
The microcontroller is pre-programmed with a comprehensive library of signal format definitions during manufacturing. This preliminary programming allows the device to immediately recognize and process multiple signal formats without requiring complex real-time analysis or learning, thereby managing complexity through advance preparation rather than runtime computation.
3Ease of operation
If automatic signal format detection is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The active-shutter glasses automatically detect the signal format being transmitted by the display device without requiring user intervention. The microcontroller monitors the incoming signal, compares it against the stored signal format definitions, and automatically configures itself to process the correct format, eliminating the need for manual setup while keeping the detection mechanism relatively simple.
Data Source
AI summary
A controlling device is configures to control functional operations of an appliance by using a 3D sync signal transmitted to synchronize a wearable 3D viewing apparatus with a device adapted to render 3D media to select from a library of command codes a command code set appropriate for controlling functional operations of the appliance. The command codes within the command code set selected from the library of command codes are assigned to respective keys of the controlling device whereupon a subsequent activation of one or more of the respective keys of the controlling device will cause the controlling device to issue a command transmission via use of one or more of the command codes within the command code set selected from the library of command codes to thereby control one or more functional operations of the appliance.